View 74lvc244a datasheet:

74LVC244A LOW VOLTAGE CMOS QUAD BUS BUFFERS (3-STATE) HIGH PERFORMANCE 5V TOLERANT INPUTS HIGH SPEED: tPD = 5.9ns (MAX.) at VCC = 3V POWER DOWN PROTECTION ON INPUTS AND OUTPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 24mA (MIN) at VCC = 3V SOP TSSOP PCI BUS LEVELS GUARANTEED AT 24 mA BALANCED PROPAGATION DELAYS: tPLH ? tPHL ORDER CODES OPERATING VOLTAGE RANGE: VCC(OPR) = 1.65V to 3.6V (1.2V Data PACKAGE TUBE T & R Retention) SOP 74LVC244AM 74LVC244AMTR PIN AND FUNCTION COMPATIBLE WITH TSSOP 74LVC244ATTR 74 SERIES 244 LATCH-UP PERFORMANCE EXCEEDS 500mA (JESD 17) It can be interfaced to 5V signal environment for ESD PERFORMANCE: inputs in mixed 3.3/5V system. HBM > 2000V (MIL STD 883 method 3015); G control output governs four BUS BUFFERs. MM >